228 lines
7.0 KiB
C++
228 lines
7.0 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmScriptGenerator.h"
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#include "cmSystemTools.h"
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//----------------------------------------------------------------------------
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cmScriptGenerator
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::cmScriptGenerator(const char* config_var,
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std::vector<std::string> const& configurations):
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RuntimeConfigVariable(config_var),
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Configurations(configurations),
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ConfigurationName(0),
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ConfigurationTypes(0),
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ActionsPerConfig(false)
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{
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}
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//----------------------------------------------------------------------------
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cmScriptGenerator
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::~cmScriptGenerator()
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{
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}
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//----------------------------------------------------------------------------
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void
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cmScriptGenerator
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::Generate(std::ostream& os, const char* config,
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std::vector<std::string> const& configurationTypes)
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{
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this->ConfigurationName = config;
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this->ConfigurationTypes = &configurationTypes;
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this->GenerateScript(os);
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this->ConfigurationName = 0;
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this->ConfigurationTypes = 0;
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}
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//----------------------------------------------------------------------------
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static void cmScriptGeneratorEncodeConfig(const char* config,
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std::string& result)
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{
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for(const char* c = config; *c; ++c)
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{
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if(*c >= 'a' && *c <= 'z')
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{
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result += "[";
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result += *c + ('A' - 'a');
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result += *c;
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result += "]";
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}
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else if(*c >= 'A' && *c <= 'Z')
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{
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result += "[";
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result += *c;
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result += *c + ('a' - 'A');
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result += "]";
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}
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else
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{
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result += *c;
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}
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}
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}
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//----------------------------------------------------------------------------
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std::string
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cmScriptGenerator::CreateConfigTest(const char* config)
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{
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std::string result = "\"${";
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result += this->RuntimeConfigVariable;
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result += "}\" MATCHES \"^(";
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if(config && *config)
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{
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cmScriptGeneratorEncodeConfig(config, result);
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}
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result += ")$\"";
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return result;
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}
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//----------------------------------------------------------------------------
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std::string
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cmScriptGenerator::CreateConfigTest(std::vector<std::string> const& configs)
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{
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std::string result = "\"${";
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result += this->RuntimeConfigVariable;
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result += "}\" MATCHES \"^(";
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const char* sep = "";
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for(std::vector<std::string>::const_iterator ci = configs.begin();
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ci != configs.end(); ++ci)
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{
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result += sep;
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sep = "|";
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cmScriptGeneratorEncodeConfig(ci->c_str(), result);
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}
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result += ")$\"";
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return result;
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}
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//----------------------------------------------------------------------------
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void cmScriptGenerator::GenerateScript(std::ostream& os)
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{
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// Track indentation.
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Indent indent;
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// Generate the script possibly with per-configuration code.
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this->GenerateScriptConfigs(os, indent);
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}
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//----------------------------------------------------------------------------
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void cmScriptGenerator::GenerateScriptConfigs(std::ostream& os,
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Indent const& indent)
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{
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if(this->ActionsPerConfig)
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{
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this->GenerateScriptActionsPerConfig(os, indent);
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}
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else
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{
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this->GenerateScriptActionsOnce(os, indent);
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}
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}
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//----------------------------------------------------------------------------
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void cmScriptGenerator::GenerateScriptActions(std::ostream& os,
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Indent const& indent)
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{
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if(this->ActionsPerConfig)
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{
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// This is reached for single-configuration build generators in a
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// per-config script generator.
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this->GenerateScriptForConfig(os, this->ConfigurationName, indent);
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}
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}
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//----------------------------------------------------------------------------
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void cmScriptGenerator::GenerateScriptForConfig(std::ostream&, const char*,
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Indent const&)
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{
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// No actions for this generator.
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}
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//----------------------------------------------------------------------------
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bool cmScriptGenerator::GeneratesForConfig(const char* config)
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{
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// If this is not a configuration-specific rule then we install.
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if(this->Configurations.empty())
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{
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return true;
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}
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// This is a configuration-specific rule. Check if the config
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// matches this rule.
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std::string config_upper = cmSystemTools::UpperCase(config?config:"");
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for(std::vector<std::string>::const_iterator i =
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this->Configurations.begin();
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i != this->Configurations.end(); ++i)
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{
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if(cmSystemTools::UpperCase(*i) == config_upper)
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{
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return true;
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}
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}
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return false;
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}
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//----------------------------------------------------------------------------
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void cmScriptGenerator::GenerateScriptActionsOnce(std::ostream& os,
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Indent const& indent)
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{
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if(this->Configurations.empty())
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{
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// This rule is for all configurations.
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this->GenerateScriptActions(os, indent);
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}
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else
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{
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// Generate a per-configuration block.
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std::string config_test = this->CreateConfigTest(this->Configurations);
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os << indent << "IF(" << config_test << ")\n";
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this->GenerateScriptActions(os, indent.Next());
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os << indent << "ENDIF(" << config_test << ")\n";
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}
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}
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//----------------------------------------------------------------------------
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void cmScriptGenerator::GenerateScriptActionsPerConfig(std::ostream& os,
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Indent const& indent)
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{
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if(this->ConfigurationTypes->empty())
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{
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// In a single-configuration generator there is only one action
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// and it applies if the runtime-requested configuration is among
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// the rule's allowed configurations. The configuration built in
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// the tree does not matter for this decision but will be used to
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// generate proper target file names into the code.
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this->GenerateScriptActionsOnce(os, indent);
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}
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else
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{
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// In a multi-configuration generator we produce a separate rule
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// in a block for each configuration that is built. We restrict
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// the list of configurations to those to which this rule applies.
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for(std::vector<std::string>::const_iterator i =
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this->ConfigurationTypes->begin();
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i != this->ConfigurationTypes->end(); ++i)
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{
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const char* config = i->c_str();
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if(this->GeneratesForConfig(config))
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{
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// Generate a per-configuration block.
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std::string config_test = this->CreateConfigTest(config);
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os << indent << "IF(" << config_test << ")\n";
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this->GenerateScriptForConfig(os, config, indent.Next());
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os << indent << "ENDIF(" << config_test << ")\n";
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}
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}
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}
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}
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